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{{SK}} Osteoma; osteomata
{{SK}} Osteoma; osteomata
== [[Osteoma overview|Overview]] ==


== Overview ==
== [[Osteoma classification|Classification]] ==
An '''osteoma''' (plural: "osteomata") is a new piece of [[bone]] usually growing on another piece of bone, typically the [[skull]]. It is a [[benign]] [[tumor]].


When the bone tumor grows on other bone it is known as "homoplastic osteoma"; when it grows on other tissue it is called "heteroplastic osteoma".
== [[Osteoma pathophysiology|Pathophysiology]] ==


==Diagnosis==
== [[Osteoma causes|Causes]] ==
===Physical Examination===
====Ear Nose and Throat====
<div align="left">
<gallery heights="175" widths="175">
Image:Mastoid Osteoma 13April05.jpg|Left Mastoid Osteoma.  This patient presented with a slowly growing painless hard mass of the mastoid bone <ref>http://www.ghorayeb.com</ref>.
Image:Mastoid Osteoma Labeled.jpg|Axial CT scan of the temporal bones showing a left mastoid osteoma <ref>http://www.ghorayeb.com</ref>.
Image:Mastoid Osteoma May 15 2005 480 SQ.jpg|Surgical picture mastoid osteoma.  The osteoma was exposed through a post-auricular incision and the periosteum was also incised and elevated <ref>http://www.ghorayeb.com</ref>.
Image:Mastoid Osteoma May SQ 480 15 2005 001 7 .jpg|Surgical picture mastoid osteoma.  The osteoma was removed with the drill and the mastoid surface smoothed down.  Note the yellow discoloration ring at the site of the excised osteoma <ref>http://www.ghorayeb.com</ref>.
</gallery>
</div>


===CT===
== [[Osteoma epidemiology and demographics|Epidemiology and Demographics]] ==
'''CT image demonstrates a left frontal sinus osteoma'''
<gallery>
Image:


Osteoma 001.jpg
== [[Osteoma natural history, complications and prognosis|Natural History, Complications and Prognosis]] ==
== Diagnosis ==


</gallery>
[[Osteoma history and symptoms|History and Symptoms]] | [[Osteoma physical examination|Physical Examination]] | [[Osteoma x ray|X Ray]] | [[Osteoma CT|CT]] |[[OsteomaMRI|MRI]] | [[Osteoma other imaging findings|Other Imaging Findings]] | [[Osteoma other diagnostic studies|Other Diagnostic Studies]]


==Variants==
* "Osteoma cutis" (also known as "Albright's hereditary osteodystrophy")
* "Osteoid osteoma": An osteoid osteoma is a small benign lesion that can occur in any bone of the body, but is most frequently found in the leg. Another common location is the spine, where the tumor may cause a painful type of [[scoliosis]]. Osteoid osteomas typically affect teenagers and young adults, and are more prevalent among males than females. The tumors produce excess bone and secrete pain-causing prostaglandins, resulting in intense pain that is especially pronounced at night, when it can awaken the patient from sleep. The pain is temporarily well-relieved by aspirin or ibuprofen, but surgical intervention is usually necessary for complete palliation. Some osteoid osteomas can be treated by a less-invasive procedure known as radiofrequency ablation, but this procedure is ill-suited for tumors in areas such as the hand or spine, as it involves heating the tumor to a high temperature that may cause damage to nerves in the surrounding area. Osteoid osteomas may spontaneously resolve without treatment, but there is currently no way of detecting if and when this is likely to occur.
* "Fibro-osteoma"
* "Chondro-osteoma"


==See also==
== Treatment ==
 
[[Osteoma medical therapy|Medical Therapy]] | [[Osteoma surgery|Surgery]] | [[Arthrogyropsis cost-effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Osteoma future or investigational therapies|Future or Investigational Therapies]]
 
==Case Studies==
:[[Osteoma case study one|Case #1]]
==Related chapters==
* [[Osteosclerosis]]
* [[Osteosclerosis]]
* [[Familial adenomatous polyposis]]
* [[Familial adenomatous polyposis]]

Revision as of 20:33, 7 September 2012

Osteoma Microchapters

Home

Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Osteoma from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

Staging

History and Symptoms

Physical Examination

Laboratory Findings

X Ray

CT

MRI

Ultrasound

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Surgery

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

Osteoma On the Web

Most recent articles

cited articles

Review articles

CME Programs

Powerpoint slides

Images

American Roentgen Ray Society Images of Osteoma

All Images
X-rays
Echo & Ultrasound
CT Images
MRI

Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

FDA on Osteoma

CDC on Osteoma

Osteoma in the news

Blogs on Osteoma

Directions to Hospitals Treating Osteoma

Risk calculators and risk factors for Osteoma

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Synonyms and keywords: Osteoma; osteomata

Overview

Classification

Pathophysiology

Causes

Epidemiology and Demographics

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms | Physical Examination | X Ray | CT |MRI | Other Imaging Findings | Other Diagnostic Studies


Treatment

Medical Therapy | Surgery | Cost-Effectiveness of Therapy | Future or Investigational Therapies

Case Studies

Case #1

Related chapters

Acknowledgements

The content on this page was first contributed by: C. Michael Gibson, M.S., M.D.

Initial content for this page in some instances came from Wikipedia

References


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